EP 1321652 B1 20041013 - Method to control the negative pressure in a fuel tank of a vehicle
Title (en)
Method to control the negative pressure in a fuel tank of a vehicle
Title (de)
Verfahren zur Regelung des Kraftstofftankunterdrucks eines Fahrzeugs
Title (fr)
Procédé de régulation de la dépression dans un réservoir à carburant pour automobile
Publication
Application
Priority
FR 0116531 A 20011220
Abstract (en)
[origin: EP1321652A1] The purge vacuum monitoring method for a motor vehicle fuel tank for vacuum generated by a fuel vapor absorber (1) mounted in the purge circuit (4). The method involves estimating the vacuum in the tank dependent on a preset time (ti) following a given formula. The formula includes the pressure value, the atmospheric pressure, gas mass in tank, gas volume in tank and temperature. <??>Claims include a vehicle internal combustion engine using the method.
IPC 1-7
IPC 8 full level
F02D 41/00 (2006.01); F02M 25/08 (2006.01)
CPC (source: EP)
F02D 41/0045 (2013.01); F02M 25/089 (2013.01)
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
EP 1321652 A1 20030625; EP 1321652 B1 20041013; DE 60201570 D1 20041118; DE 60201570 T2 20050331; FR 2833999 A1 20030627; FR 2833999 B1 20040130
DOCDB simple family (application)
EP 02293193 A 20021220; DE 60201570 T 20021220; FR 0116531 A 20011220